Holidays on September 13

• World Crane Day
• Grandparents' Day in Canada
• Hairdresser's Day in Russia
• Programmer's Day in Russia
• Oil, Gas and Refining Industry Workers' Day in Ukraine
• Family Day in Kazakhstan
• Tank Troops Day in Russia
• Tank Troops Day in Belarus
• International Day of Remembrance for the Victims of Fascism
• Grape Harvest Festival in Romania
• World Sepsis Day
• Roald Dahl Day